88-98 Gm Ext. Cab 2-12'' Ported Poly Subwoofer Box

This subwoofer box fits 88-98 Chevy/GM extended cab and 3-door models, featuring a high-pressure polyurethane liner and 2-12'' front-firing ported speakers with an air volume of 1.40 cubic feet per side.

• The description claims that the product increases the base up to 4 times and stiffens the wood.